Hi Mario, Could you please file a bugzilla entry following https://01.org/linuxgraphics/documentation/how-report-bugs ?
Do you recall what kernel version you had before Apr-10? Thanks, Rodrigo. On Fri, Apr 12, 2019 at 10:22:53AM +0000, ^-¨ Mário Lopes wrote: > Package: linux-image-4.19.0-0.bpo.4-amd64 > Version: 4.19.28-2~bpo9+1 > X-Debbugs-CC: ibm-a...@hmh.eng.br, ibm-acpi-de...@lists.sourceforge.net, > platform-driver-...@vger.kernel.org, intel-...@lists.freedesktop.org > > Dear Maintainer, > > I have a Lenovo ThinkPad T480s with Intel GFX and a Lenovo ThinkPad Ultra > Docking Station. > I'm using an LG monitor connected to Display Port of docking station, at > 1080p@60Hz, configured as primary monitor. > I'm also using a HannStar monitor, connected to VGA port of docking station, > at 1280x1024@75Hz, configured as secondary monitor. > The built-in T480s screen is also active, at 2K, configured as secondary > monitor. > > Since updates available at 10/April, I need to reconnect the VGA cable to use > the monitor after cold start. Sometimes, it's also needed to reboot the > laptop. > The same also happens when I lock the computer, only when monitors enter in > suspend mode and when I got into lock screen, the VGA monitor doesn't receive > any signal, so VGA reconnection or system reboot is needed. The workaround > for this is just to lock without sending suspending commands to monitors. > > I didn't saw any relevant information on dmesg output, but I can provide > relevant info from this or other place if needed. > > Before 10/April, it was only needed to reconnect VGA, let's say, one per week. > > Thanks. > > > Best regards, > Mário J. Lopes > _______________________________________________ > Intel-gfx mailing list > intel-...@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx